Since the project is opensource, it'a bit complicated to track al the projects being made, however, there has been more than 5k downloads of the project on Github.

Regarding the themes, right now we are using default laravel blade theme. We are also working on full-fledged eCommerce theme too that will be looking to arrive by early next month and will be available in the core.

The backend, for sure is not much mobile friendly as that part is something which is recommended to use from the desktop. The admin functionality is complex and should use the capabilities of desktop computing power instead of mobile. We are however working on that and will make it mobile friendly up to a certain extent.

There are many customers who are developing their site in bagisto, for instance, you can check this: https://camelia.ae/